Let the experiment take place, I say. Just like Oregon’s now-repealed drug use decriminalization bill. It didn’t achieve its intended goals, but there is now a mass of data about what assumptions were wrong, implementation issues, etc. IMO there is real value in letting states put such changes into play to get beyond the debate and actually test the hypotheses.
The problem is that once such a thing fails, it gives massive ammunition to future naysayers that get to conveniently ignore all the implementation failures because campaigning for/against will ultimately boil down to bullet points.
Imagine that Biden campaigned in 2000 extensively off a hoax that Trump called nazis fine people. This was well supported by professional media.